Jesus Salas (middle), Roberto Hernandez (right), and other demonstrators speak only in Spanish as they attempt to borrow library books as part of the August 1970 demonstrations leading to the establishment of the Spanish Speaking Outreach Institute...

Assistant Chancellor John Solon (right, wearing classes), Regent Frank J. Pelisek (middle), and police officers speak to demonstrators occupying the chancellor office during the August 1970 demonstrations leading to the establishment of the Spanish...

Police officers wait outside the Chancellor's office while Assistant Chancellor John Solon (foreground, back to camera), and Regent Frank J. Pelisek (background, partially obstructed by officers) speak on the phone during the August 1970...

Jesus Salas (left), Roberto Hernandez (right) speak while occupying the Chancellor's office during the August 1970 demonstrations leading to the establishment of the Spanish Speaking Outreach Institute at the University of Wisconsin-Milwaukee....